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new helper: file_inode(file)

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-01-23 17:07:38 -05:00
parent 57eccb830f
commit 496ad9aa8e
306 changed files with 696 additions and 717 deletions
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4
kernel/relay.c
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@ -1139,7 +1139,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
if (!desc->count)
return 0;
mutex_lock(&filp->f_path.dentry->d_inode->i_mutex);
mutex_lock(&file_inode(filp)->i_mutex);
do {
if (!relay_file_read_avail(buf, *ppos))
break;
@ -1159,7 +1159,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
*ppos = relay_file_read_end_pos(buf, read_start, ret);
}
} while (desc->count && ret);
mutex_unlock(&filp->f_path.dentry->d_inode->i_mutex);
mutex_unlock(&file_inode(filp)->i_mutex);
return desc->written;
}